Lol - I think this is what you want, Trisk. Have fun, kids. You are now officially joining those Mandate who've been lost to the madness of deciphering Seswatha's Dreams.
Gall, I should be studying for my exams

.
Offscreen = Dream remembered or referred to
No location notation = Dream can't be place spatial in Earwa
No temporal notation = Dream can't be dated by referencing the TTT Glossary or the narrative whole
I'm sure I've missed some but...
Midwinter, 4110 Year-of-the-Tusk, Carythusal- Celmomian Prophecy (TDTCB, p51, 2004 Canadian paperback)
- Fords of Tywanrae (offscreen) (TDTCB, p55)
- Burning of the Library of Sauglish (offscreen - Achamian sees his own face and not Seswatha's in a mirror) (TDTCB, p55)
Early Winter, 4111 Year-of-the-Tusk, Sumna - Achamian is in the valley of Sudica at the Kyranean ruin of Batathent; one of the few fortress-temples to survive the collapse of Kyraneas during the First Apocalypse.
- Advent of the No-God during the Second Investiture (offscreen) (TDTCB, p283)
Spring, 4111 Year-of-the-Tusk, Momemn- Celmomian Prophecy (TDTCB, p472): Last Achamian perspective before he and Proyas meet Cnaiur and Kellhus.
- Celmomian Prophecy (offscreen) (TDTCB, p509): After Achamian has sat with and declared Kellhus his student.
Late Spring, 4111 Year-of-the-Tusk, South of Momemn- Skafra, Tyrant of Cloud and Mountain & Seswatha, post-Celmomas' death (Nautzera's Dream) (TWP, p3, 2005 Canadian paperback)
Early Summer, 4111 Year-of-the-Tusk, the Plains of Mengedda- No-God, Plains of Mengedda (TWP, 174)
Late Summer, 4111 Year-of-the-Tusk, Shigek- Seswatha & Skuthula the Black (no location or temporal notation) (TWP, p324)
Early Autumn, 4111 Year-of-the-Tusk, Iothiah- Seswatha looking over a battle at the Ring Mountains (no temporal notation but the reminiscence is made that it's 18 years before the No-God's destruction - this would have to be a mistake, based on the First Investiture (2124), Second Investiture (2143), and the No-God's defeat (2155). Also, Nil'giccas is spelt Nil'gikas but as we're reading the "Sheyic" translation of everything, this might actually be a more faithful spelling of the Ancient Kuniuric) (TWP, p414).
- Seswatha tortured "in the bowels of Dagliash" (offscreen) (TWP, p420).
Early Winter, 4111 Year-of-the-Tusk, the Meneanor coast, near Iothiah- No-God at Mengedda (TWP, p539)
Early Spring, 4112 Year-of-the-Tusk, Enathpaneah- Seswatha on the Wall of the Dead at Dagliash (Nautzera's Dream) (TTT, p4, 2006 Canadian paperback)
Early Spring, 4112 Year-of-the-Tusk, Xerash- Nau-Cayuti & Seswatha in Golgotterath (TTT, p223)
Early Spring, 4112 Year-of-the-Tusk, Amoteu- Nau-Cayuti & Seswatha in Golgotterath (TTT, p302)
- Nau-Cayuti & Seswatha in Golgotterath (TTT, p317)
Spring, 4112 Year-of-the-Tusk, Shimeh- Nau-Cayuti & Seswatha in Golgotterath (TTT, 366)
- No-God, plains of Mengedda (dream with anomaly) (TTT, p493)
Early Spring, 19 New Imperial Year, southwestern Galeoth- Seswatha at a feast for the Hunt-Glorious before slipping off to cuckold Celmomas with the High-King's wife, Suriala (no temporal notation) (TJE, p58, 2010 Canadian paperback).
- Seswatha stubbing his toe (offscreen, no temporal notation) (TJE, p138)
- Seswatha scolding a student (offscreen, no temporal notation) (TJE, p139)
- Seswatha reading the lost work of Gotagga's
Parapolis (offscreen, no temporal notation) (TJE, p139)
Early Spring, 19 New Imperial Year, the River Rohil, Marrow
- Seswatha at Sauglish (dream with anomalies) (TJE, p221)
- Seswatha and Celmomas talking about the building of Ishual (no temporal notation) (TJE, p237)
Spring, 20 New Imperial Year, south of Mount Aenaratiol- Sauglish sans Seswatha (dream with anomalies) (TJE, p462)
- Celmomas, Seswatha, and young Nau-Cayuti with the Map-Case (no temporal notation but probably before the First Investiture - also, Nau-Cayuti asks "Who's
Mimara") (TJE, 480)
Spring, 20 New Imperial Year, Mount Aenaratiol- Celmomas, Seswatha, and young Nau-Cayuti with the Map-Case (no temporal notation - also, no anomalies but Seswatha mentions that Celmomas has been having
dreams, which he asks the High-King about without answer) (TJE, 600)
Spring, 20 New Imperial Year, the "Long Side"- Seswatha hiding the Map-Case in the Coffers (no temporal notation, dream with anomalies) (WLW, p32, 2012 Canadian paperback)
The Mop- Celmomas, Seswatha, and young Nau-Cayuti with the Map-Case (offscreen) (WLW, p106)
- The Nameless among the line of captives in forest walls (anomaly as we assume this isn't Seswatha) (WLW, p107)
Late Spring, 20 New Imperial Year, the "Long Side", the Mop
- The Nameless among the line of captives in forest walls, towards a sunlit clearing (Achamian even comments, in reminiscence, on the anomalies occurring at this point) (WLW, p248)
Early Summer, 20 New Imperial Year, the High Istyuli- The Nameless among the line of captives in the Ark, moving towards the Golden Room (Achamian notes that he Dreams of
another soul) (WLW, p433)
Summer, 20 New Imperial Year, the Istyuli Plains- The first Dream as Nau-Cayuti (explicitly and by location only as the Dream continues after he's sleeping) where Ieva poisons Nau-Cayuti and tells the sleeping Prince her plans to have him buried as a Nonman (WLW, p628).
- The Nameless among the line of captives (WLW, 687)
Late Summer, 20 New Imperial Year, the Ruins of Sauglish- Nau-Cayuti awakening in the Sarcophagus and being broken from it by Aurang himself (who Nau-Cayuti recognizes) (WLW, p825)
Late Summer, 20 New Imperial Year, the Demua Mountains- Nau-Cayuti awakening, rising in one of the Ark's seemingly bottomless horns, on Shauriatas' Ten-Wretch Sigil platform, being grilled on the location of the Heron Spear (TUC, Ch. 1 Excerpt)
EDIT: Updated to reflect the books from which the quotes are drawn from; listed in the first citations from each book.